Home / 28,631,684.66-42,941,135.66-13,276,979.19

Finding the Fourth Proportional to 28,631,684.66, 42,941,135.66 and 13,276,979.19

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Solution

The fourth proportional to 28,631,684.66, 42,941,135.66 and 13,276,979.19 is: 19,912,505.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631,684.66 : 42,941,135.66 = 13,276,979.19 : x
  2. Step 2: Convert to fraction form
    28,631,684.66/42,941,135.66 = 13,276,979.19/x
  3. Step 3: Cross multiply
    28,631,684.66x = 42,941,135.66 × 13,276,979.19
  4. Step 4: Simplify right side
    28,631,684.66x = 570,128,564,585,979.38
  5. Step 5: Solve for x
    x = 570,128,564,585,979.38/28,631,684.66
  6. Step 6: Final answer
    x = 19,912,505.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.